Roxanne Dunbar-Ortiz has taught in the Native
American Studies Program at California State University, Hayward, and
helped found the Departments of Ethnic Studies and Women’s Studies. Her
1977 book The Great Sioux Nation was the fundamental document
at the first international conference on Indigenous peoples of the
Americas, held at the United Nations’ headquarters in Geneva.
Dunbar-Ortiz is the author or editor of seven other books, including Roots of Resistance: A History of Land Tenure in New Mexico, and including An Indigenous People's History of the United States.
She discusses the idea that President Obama is the longest serving war president.